fix: exclude huggingrun.log from rsync to prevent garbled restore

The old log file (with Unicode chars) was being restored from dataset
via /var/log rsync, overwriting the clean truncated log on startup.
The log is already uploaded separately via upload_file.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

entrypoint.py

@@ -35,7 +35,7 @@ PIP_FILE = os.path.join(PERSIST_PATH, "pip-packages.txt")
 SYNC_DIRS = ["/home", "/root", "/usr/local", "/opt", "/var/lib", "/var/log", "/etc"]
 
 # Exclude from rsync (relative paths - rsync matches from transfer root)
-RSYNC_EXCLUDES = ["*.sock", "*.pid", "*.lock"]
+RSYNC_EXCLUDES = ["*.sock", "*.pid", "*.lock", "huggingrun.log"]
 
 # Extra excludes only for /etc/ restore (container-managed files)
 ETC_RESTORE_EXCLUDES = [